Answer this question truthfully
### Question: What are the symptoms of duodenitis?
### Response: Signs and symptoms vary widely. Some patients do not have any symptoms. Some may experience the following symptoms:
Stomach pain or chest pain or back pain Nausea and vomiting Diarrhea Loss of appetite Loss of weight Bleeding from the intestine Intestinal obstruction: rarely
Other health problems may also cause these symptoms. Only a doctor can tell for sure. A person with any of these symptoms should tell the doctor so that the problems can be diagnosed and treated as early as possible.